Ischnosiphon gracilis
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Zingiberales
- family: Marantaceae
- genus: Ischnosiphon
- species: Ischnosiphon gracilis
Ilhéus- Nova Viçosa
Bahia- Monção
Maranhão
Brazil
Matoury
Guyane
French Guiana